Finding the Fourth Proportional to 10,644.80, 14,690.16 and 5,864.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.80 : 14,690.16 = 5,864.48 : x
2. Step 2: Convert to fraction form
   10,644.80/14,690.16 = 5,864.48/x
3. Step 3: Cross multiply
   10,644.80x = 14,690.16 × 5,864.48
4. Step 4: Simplify right side
   10,644.80x = 86,150,149.52
5. Step 5: Solve for x
   x = 86,150,149.52/10,644.80
6. Step 6: Final answer
   x = 8,093.17